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Numerical control technology [Editor Liu Ling] 2014 edition

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  • Data size: 22.38 MB
  • Data language: Chinese version
  • Document format: PDF document
  • Category: Mechanical Books
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CNC Technology Research: Liu Ling edited publication time: 2014 edition This book about the application of numerical control system in CNC machine tools, a more comprehensive introduction to the basics of CNC system, the interpolation principle and data processing, feed control movement, Spindle drive and control, programmable controller and interface signals of numerical control system, application of numerical control system, typical numerical control system and application system, etc. This book highlights practicality and advancedness in content selection; in the writing method, it emphasizes from shallow to deep, and strives to be comprehensive, systematic, and focused. This book can be used as a teaching book for numerical control technology and related majors in secondary vocational and technical colleges held by higher vocational colleges, colleges, adult colleges, private colleges, and undergraduate colleges. Relevant majors can be used as business reference books and training books for social practitioners.
Contents of the first task opening 1
Cognition of task one numerical control technologyOne
Understanding of the task-oriented CNC technology overviewOne
I. Background and Development of CNC Technology 1
Second, the automatic production system based on CNC machine tools 2
Third, the development of CNC servo system 3
Fourth, the basic concept of numerical control technology 4
Sub-task two knowledge of common CNC systems 13
I. FANUC CNC system 13
Second, SINUMERIK CNC system 14
Third, Central China CNC System 14
Question 15
Implementation of the second task 16
Analysis of the working process of NC device for task two 16
Subtask-input of NC machining program 16
I. Programming Concepts 16
Second, the numerical control code (instruction) and programming method 16
Data processing of NC machining program in task division 17
I. Decoding of CNC machining program 17
Second, G code decoding analysis 18
Third, the calculation of tool compensation 20
Fourth, the implementation of tool radius compensation 22
V. Auxiliary Information Processing 24
Interpolation Principles and Data Processing of Three-NC Numerical Control Technology
I. Interpolation Technology 28
Second, the interpolation algorithm 29
Question 29
Task 3 installation and commissioning of mechanical structure of CNC machine tool 30
Drive and control of one-spindle-to-spindle 30
I. NC machine tool requirements for spindle control 30
Second, the characteristics of the spindle drive device 30
Third, the spindle motor characteristic curve 31
Cognition of two-spindle driving device of task division 32
I. Universal Inverter 32
Second, the servo drive spindle 32
Three, stepless speed regulation and control of the main shaft 36
Fourth, automatic shift control 37
Fifth, the realization method of automatic shift 37
Exact stop control of three-spindle with sub-task 38
I. Mechanical exact stop control 39
Second, electrical exact stop control 39
Question 43
Control of Mission Four Feed Motion 44
Cognition of Feed-Servo System by Task 44
I. Motion requirements of the feed servo system 44
Classification of servo drive systems 44
Control and stepping drive of open-loop feed system with two tasks
I. Understanding of Open-loop System Control Principles 45
Second, the main characteristics of stepper motors 47
Third, the drive power of stepper motor 48
Fourth, the choice of stepper motor 50
Control of task-oriented three-position detection device 50
I. Classification of position detection elements 50
Second, the rotary encoder 51
Third, grating ruler 55
Fourth, other detection devices 60
V. Position feedback input 61
Control of Four-Closed-Loop Feeding System and AC Servo System in Task Division 62
I. Overview of Closed-Loop Feed Control 62
Second, the AC servo system 64
Third, the all-digital servo system 68
Fourth, the linear motor 69
Question 70
Task 5: Debugging and Application of NC Programmable Controller and Interface Signals 71
Sub-task-cognition of CNC machine tool PLC 71
I. Control object of CNC machine tool PLC 71
Second, the signal processing of PLC 71
Third, the form of CNC machine tool PLC 73
Sub-task two cognition of PLC switching input / output interface 75
I. Input / output interface 75
Application of input / output interface 77
Typical application of three tasks PLC program in CNC machine tools 79
I. Spindle orientation control 80
Second, the spindle forward and reverse and gear shift control 80
Third, the automatic selection of tool magazine control 82
Fourth, the automatic control of the lubrication system 85
Question 88
Task Six Application of Central China CNC System 89
I. Overview of Central China CNC System 89
Second, the system connection 90
Application of the system
Question 106
References 107

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数控技术[刘玲主编] 2014年版 Download address CNC technology [Editor Liu Ling] 2014 edition

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